19830872

素因数分解:

$2^3\times {\mathrm{331}}^1\times {\mathrm{7489}}^1$

素因数の和:7826

約数の個数: 16

約数和(自身を含む): 37300200

約数和(自身を除く): 17469328

約数列:

[1, 2, 4, 8, 331, 662, 1324, 2648, 7489, 14978, 29956, 59912, 2478859, 4957718, 9915436, 19830872]

約数ペア:

[(1, 19830872), (2, 9915436), (4, 4957718), (8, 2478859), (331, 59912), (662, 29956), (1324, 14978), (2648, 7489)]